Q: Is 420,472 a Prime Number?

 A: No, 420,472 is not a prime number.

Why is 420,472 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 420472 can be evenly divided by 1 2 4 8 13 26 52 104 169 311 338 622 676 1,244 1,352 2,488 4,043 8,086 16,172 32,344 52,559 105,118 210,236 and 420,472, with no remainder.

Since 420,472 cannot be divided by just 1 and 420,472, it is not a prime number.


More Examples

Number 420,470420,471420,473420,474
Prime? nononono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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